490678090 has 64 divisors (see below), whose sum is σ = 1081880064. Its totient is φ = 156549888.

The previous prime is 490678087. The next prime is 490678103. The reversal of 490678090 is 90876094.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55452 + ... + 63688.

It is an arithmetic number, because the mean of its divisors is an integer number (16904376).

Almost surely, 2^490678090 is an apocalyptic number.

490678090 is an abundant number, since it is smaller than the sum of its proper divisors (591201974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490678090 is a wasteful number, since it uses less digits than its factorization.

490678090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 490678090 is about 22151.2548177299. The cubic root of 490678090 is about 788.7370141263.

The spelling of 490678090 in words is "four hundred ninety million, six hundred seventy-eight thousand, ninety".